Initialization of imsegkmeans function

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Koen Franse 2021-2-15

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https://ww2.mathworks.cn/matlabcentral/answers/746022-initialization-of-imsegkmeans-function

回答： Aditya Patil 2021-2-18

Hi everyone,

I'm using the imsegkmeans function to segment images. I know that the kmeans function has the possibility to give initial centroids as an input; I would like to initialize the imsegkmeans function too in some way (e.g. give the predicted cluster pixel intensities as the initial value for the segmentation), but I can't find anything on how to do this. Any suggestions?

Thanks in advance!

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Answer 1

Aditya Patil 2021-2-18

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https://ww2.mathworks.cn/matlabcentral/answers/746022-initialization-of-imsegkmeans-function#answer_626367

Currently, there is no support for setting explicit values for the centroids.

However, you can set the 'NumAttempts' name value pair to a high value. The algorithm tries random set of centroid multiple times, and chooses the best of them.